128837772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511261}}^1$

素因数の和:511278

約数の個数: 36

約数和(自身を含む): 372198736

約数和(自身を除く): 243360964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511261, 1022522, 1533783, 2045044, 3067566, 3578827, 4601349, 6135132, 7157654, 9202698, 10736481, 14315308, 18405396, 21472962, 32209443, 42945924, 64418886, 128837772]

約数ペア:

[(1, 128837772), (2, 64418886), (3, 42945924), (4, 32209443), (6, 21472962), (7, 18405396), (9, 14315308), (12, 10736481), (14, 9202698), (18, 7157654), (21, 6135132), (28, 4601349), (36, 3578827), (42, 3067566), (63, 2045044), (84, 1533783), (126, 1022522), (252, 511261)]